package com.atguigu.gulimail.order.web;

import com.atguigu.common.exception.NostockException;
import com.atguigu.gulimail.order.service.OrderService;
import com.atguigu.gulimail.order.vo.OrderConfirmVo;
import com.atguigu.gulimail.order.vo.OrderSubmitVo;
import com.atguigu.gulimail.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

/**
 * @author fangy
 * @date 2022-10-16 22:20
 */
@Controller
public class OrderWebController {


    @Autowired
    OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model){

        OrderConfirmVo orderConfirmVo = orderService.confirmOrder();

        model.addAttribute("orderConfirmVo",orderConfirmVo);
        return "confirm";
    }

    /**
     * 下单
     * @param orderSubmitVo
     * @return
     */
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo orderSubmitVo, Model model, RedirectAttributes redirectAttributes) throws Exception {


        try {
            SubmitOrderResponseVo submitOrder = orderService.submitOrder(orderSubmitVo);

            if(submitOrder.getCode() == 0){

                model.addAttribute("submitOrderResp",submitOrder);

                return "pay";
            }else {
                String msg = "";
                switch (submitOrder.getCode()){
                    case 1:
                        msg += "订单信息过期，请刷新再次提交";
                        break;
                    case 2:
                        msg += "订单商品价格发生变化，请确认后再次提交";
                        break;
                    case 3:
                        msg += "库存锁定失败，商品库存不足";
                        break;
                }
                redirectAttributes.addFlashAttribute("msg",msg);
                return "redirect:http://order.gulimail.com/toTrade";
            }
        }catch (Exception e){
            String message = "未知错误，请联系管理员";
            if(e instanceof NostockException){
                message = ((NostockException) e).getMessage();
            }
            redirectAttributes.addFlashAttribute("msg",message);
            return "redirect:http://order.gulimail.com/toTrade";
        }


    }
}
